OBS Studio has been released as hotfix version 33.0.1.

The update follows shortly after version 33.0 and fixes several crashes when logging into services (Twitch, YouTube), a memory leak in the image slideshow source and plugins failing to load on Flatpak.

33.0.1 Hotfix Changes

• Fixed startup crash when logged into a service integration (obs-browser)
• Fixed crash when logging into the Twitch integration (obs-browser)
• Fixed deadlock when logging into the YouTube integration (obs-browser)
• Fixed a race condition that could cause browser panels to have incorrectly sized content (obs-browser)
• Fixed a memory leak in the image slideshow source
• Fixed plugins failing to load on Flatpak
• Fixed Plugin Manager not prompting to save after changes until reopened

Source: GitHub